Finding the Fourth Proportional to 72,205.29, 108,267.92 and 29,540.68
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Solution
The fourth proportional to 72,205.29, 108,267.92 and 29,540.68 is: 44,294.65
Step by Step Solution
- Step 1: Write the proportion equation
72,205.29 : 108,267.92 = 29,540.68 : x - Step 2: Convert to fraction form
72,205.29/108,267.92 = 29,540.68/x - Step 3: Cross multiply
72,205.29x = 108,267.92 × 29,540.68 - Step 4: Simplify right side
72,205.29x = 3,198,307,978.99 - Step 5: Solve for x
x = 3,198,307,978.99/72,205.29 - Step 6: Final answer
x = 44,294.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.